Home / 160,571,897.76-221,590,771.92-87,233,564.64

Finding the Fourth Proportional to 160,571,897.76, 221,590,771.92 and 87,233,564.64

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Solution

The fourth proportional to 160,571,897.76, 221,590,771.92 and 87,233,564.64 is: 120,383,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,571,897.76 : 221,590,771.92 = 87,233,564.64 : x
  2. Step 2: Convert to fraction form
    160,571,897.76/221,590,771.92 = 87,233,564.64/x
  3. Step 3: Cross multiply
    160,571,897.76x = 221,590,771.92 × 87,233,564.64
  4. Step 4: Simplify right side
    160,571,897.76x = 19,330,152,925,910,816
  5. Step 5: Solve for x
    x = 19,330,152,925,910,816/160,571,897.76
  6. Step 6: Final answer
    x = 120,383,162.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.